Because infant formula often serves as a sole source of nutrition for infants, selenium in infant formula is needed to ensure that formula-fed infants are getting this essential nutrient at appropriate levels.

Assessing selenium status from both the total amount of the mineral in the blood and the serum selenoprotein P levels, which reflect the amount of selenium bound up in the carrier protein, the team found that a higher selenium status is significantly associated with a lower risk of bowel cancer.

Selenium absorption, retention and distribution in the organism, as well as the quantity, configuration and excretion routes will vary, among other factors, according to its chemical formula, the quantity ingested and the time receiving a set Se level.

The lead author noted that the reason for this protective effect of selenium in men but not in women was not completely clear but might be attributed to women being healthier at baseline, having better antioxidant status in general and possible differences in how men and women process selenium.

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